The Role of the Immune System in Governing Host-microbe Interactions in the Intestine

Overview

Journal Nat Immunol

Date 2013 Jun 20

PMID 23778793

Citations 173

Authors

Eric M Brown

Manish Sadarangani

B Brett Finlay

Affiliations

Soon will be listed here.

Abstract

The mammalian intestinal tract harbors a diverse community of trillions of microorganisms, which have co-evolved with the host immune system for millions of years. Many of these microorganisms perform functions critical for host physiology, but the host must remain vigilant to control the microbial community so that the symbiotic nature of the relationship is maintained. To facilitate homeostasis, the immune system ensures that the diverse microbial load is tolerated and anatomically contained, while remaining responsive to microbial breaches and invasion. Although the microbiota is required for intestinal immune development, immune responses also regulate the structure and composition of the intestinal microbiota. Here we discuss recent advances in our understanding of these complex interactions and their implications for human health and disease.

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